PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-4384426PC9Stud,pressurizer

Naval Ship Systems Command · NSN 4470-01-057-5117 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-01-057-5117 — this item is cataloged by the U.S. Government under National Stock Number 4470-01-057-5117. Primary manufacturer part number: 820-4384426PC9.
Features
  • Stud,pressurizer — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stud,pressurizer, cataloged under National Stock Number 4470-01-057-5117, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-01-057-5117
Primary Part Number820-4384426PC9
Item NameStud,pressurizer
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4470-00-201-4664 INTERCHANGEABLE
Stud,pressurizer
4470-00-995-0681 INTERCHANGEABLE
Stud,handhole
4470-01-672-9249 INTERCHANGEABLE
Stud,pressurizer
Cross-Reference Index
Part NumberManufacturer
820-4384426PC9 Naval Ship Systems Command (USA)
820-4384426-9 Naval Sea Systems Command (USA)
Related Parts
4470-00-201-4664INTERCHANGEABLE
STUD,PRESSURIZER
4470-00-995-0681INTERCHANGEABLE
STUD,HANDHOLE
4470-01-672-9249INTERCHANGEABLE
STUD,PRESSURIZER

Frequently Asked Questions

What is NSN 4470-01-057-5117?

NSN 4470-01-057-5117 is a Stud,pressurizer, manufactured by Naval Ship Systems Command, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-01-057-5117?

NSN 4470-01-057-5117 has 2 cross-referenced part numbers: 820-4384426PC9 (Naval Ship Systems Command), 820-4384426-9 (Naval Sea Systems Command).

What NSN replaces 4470-01-057-5117?

There are 3 known substitutes for 4470-01-057-5117: 4470-00-201-4664, 4470-00-995-0681, 4470-01-672-9249. Verify interchangeability with system specifications before substitution.

What are the specifications of 820-4384426PC9?

Key specifications for 820-4384426PC9: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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